![A male elephant’s ear outlined in pink](http://static.sciencelearn.org.nz/images/images/000/005/308/full/CitSci_ART_Elephant_ID_Ear_outlined.png?1700519706)
The drawing tasks in the Elephant ID contour drawing workflow help train a machine learning algorithm. This has been designed to re-identify individual elephants by using the contour of their ear edge as this is one of the most unique aspects you can see in the elephant images.